<html>
  <head>
<style>
.down-icon {
  width:128px;
  height:128px;
  background: url(css/images/down-icon.png) no-repeat 0 0 transparent;
  position:fixed;
  right:150px;
  bottom:10px;
  display:none;
  z-index:1000;
}
</style>
<script src="js/jquery-1.10.2.min.js" type="text/javascript"></script>
<script>
$(function() {
  var getParameterByName = function(name) {
    name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
    var regex = new RegExp("[\\?&#]" + name + "=([^&#]*)"),
        results = regex.exec(location.hash);
    return results == null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
  }  
  alert(getParameterByName('query'));
});
</script>
  </head>
  <body>


<div class="down-icon"></div>
  
  </body>
</html>
